On Mon, Apr 18, 2016 at 03:10:53PM +0800, Fei Jie wrote:
> * tests/semop.c: New file.
> * tests/semop.test: New test.
> * tests/.gitignore: Add semop.
> * tests/Makefile.am (check_PROGRAMS): Likewise.
> (DECODER_TESTS): Add semop.test.
> ---
> tests/.gitignore | 1 +
> tests/Makefile.am | 2 ++
> tests/semop.c | 55
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/semop.test | 6 ++++++
> 4 files changed, 64 insertions(+)
> create mode 100644 tests/semop.c
> create mode 100755 tests/semop.test
>
> diff --git a/tests/.gitignore b/tests/.gitignore
> index f3ee629..3d1dbef 100644
> --- a/tests/.gitignore
> +++ b/tests/.gitignore
> @@ -138,6 +138,7 @@ seccomp-filter
> seccomp-filter-v
> seccomp-strict
> select
> +semop
> sendfile
> sendfile64
> set_ptracer_any
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index e9cd625..f31b600 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -188,6 +188,7 @@ check_PROGRAMS = \
> seccomp-filter-v \
> seccomp-strict \
> select \
> + semop \
> sendfile \
> sendfile64 \
> set_ptracer_any \
> @@ -394,6 +395,7 @@ DECODER_TESTS = \
> seccomp-filter.test \
> seccomp-strict.test \
> select.test \
> + semop.test \
> sendfile.test \
> sendfile64.test \
> sethostname.test \
> diff --git a/tests/semop.c b/tests/semop.c
> new file mode 100644
> index 0000000..3d3cb93
> --- /dev/null
> +++ b/tests/semop.c
> @@ -0,0 +1,55 @@
> +#include "tests.h"
> +#include <sys/types.h>
> +#include <sys/ipc.h>
> +#include <sys/sem.h>
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +
> +union semun
> +{
> + int val;
> + struct semid_ds *buf;
> + unsigned short *array;
> + struct seminfo *__buf;
> +};
> +
> +static int id = -1;
> +
> +static void
> +cleanup(void)
> +{
> + semctl(id, 0, IPC_RMID, 0);
> + id = -1;
> +}
> +
> +int
> +main(void)
> +{
> + id = semget (IPC_PRIVATE, 1, 0600);
> + if (id <0)
Something went wrong with spaces here, otherwise OK.
> + perror_msg_and_skip("semget");
> + atexit(cleanup);
> +
> + union semun sem_union;
> + sem_union.val = 0;
> + if (semctl(id, 0, SETVAL, sem_union) == -1)
> + perror_msg_and_skip("semctl");
> +
> + struct sembuf sem_b;
> + sem_b.sem_num = 0;
> + sem_b.sem_op = 1;
> + sem_b.sem_flg = SEM_UNDO;
> +
> + if (semop(id, &sem_b, 1))
> + perror_msg_and_skip("semop, 1");
> + printf("semop(%d, [{0, 1, SEM_UNDO}], 1) = 0\n", id);
> +
> + sem_b.sem_op = -1;
> + if (semop(id, &sem_b, 1))
> + perror_msg_and_skip("semop, -1");
> + printf("semop(%d, [{0, -1, SEM_UNDO}], 1) = 0\n", id);
> +
> + puts("+++ exited with 0 +++");
> + return 0;
> +}
I've changed sem_b to a pointer to a tail_alloc'ed memory.
Applied with these changes, thanks.
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